Base | Representation |
---|---|
bin | 10100100100100… |
… | …111111010101101 |
3 | 220001110011221100 |
4 | 110210213322231 |
5 | 1201324120010 |
6 | 54125353313 |
7 | 11360453442 |
oct | 2444477255 |
9 | 801404840 |
10 | 345145005 |
11 | 167909607 |
12 | 97708839 |
13 | 5667641a |
14 | 33ba59c9 |
15 | 2047a2c0 |
hex | 14927ead |
345145005 has 24 divisors (see below), whose sum is σ = 598995072. Its totient is φ = 183848544.
The previous prime is 345144983. The next prime is 345145007. The reversal of 345145005 is 500541543.
It is not a de Polignac number, because 345145005 - 25 = 345144973 is a prime.
It is a zygodrome in base 3.
It is a self number, because there is not a number n which added to its sum of digits gives 345145005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345145007) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35592 + ... + 44238.
It is an arithmetic number, because the mean of its divisors is an integer number (24958128).
Almost surely, 2345145005 is an apocalyptic number.
It is an amenable number.
345145005 is a deficient number, since it is larger than the sum of its proper divisors (253850067).
345145005 is a wasteful number, since it uses less digits than its factorization.
345145005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9545 (or 9542 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 345145005 is about 18578.0786143239. The cubic root of 345145005 is about 701.4561558461.
Adding to 345145005 its reverse (500541543), we get a palindrome (845686548).
The spelling of 345145005 in words is "three hundred forty-five million, one hundred forty-five thousand, five".
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